joyGetPos

Syntax

WORD joyGetPos(wId, lpInfo)

This function queries for the position and button activity of a joystick device.

Parameters

WORD wId

Identifies the joystick device to be queried. This value is either JOYSTICKID1 or JOYSTICKID2.

LPJOYINFO lpInfo

Specifies a far pointer to a JOYINFO data structure. This structure is filled with information about the position and button activity of the joystick device.

Return Value

Returns JOYERR_NOERROR if successful. Otherwise, returns one of the following error codes:

MMSYSERR_NODRIVER

The joystick driver is not present.

JOYERR_PARMS

The specified joystick device ID wId is invalid.

JOYERR_UNPLUGGED

The specified joystick is not connected to the system.